Strike down the enemies once again with a pistol or a sniper rifle. Don't forget to shoot the bomb within 2 seconds otherwise it'll explode and damage your health.
Save the rebel fortress from a never-ending onslaught of enemy troops, jeeps, tanks, artillery and helicopters. Shoot them all down before they destroy it.
Deplete enemy's invasion forces and stop their offensive. When facing a large number of enemies, the only way to deter them is to use the powerful Haiphong battery.
